13 Dec
2010
13 Dec
'10
6:56 a.m.
I am trying to restore a N* Horizon,. So far I have got the ZPB-A2 CPU
card working. I added the Prom Option and am using a 2708 EPROM with
Monitor Code by Dave Dunfield. A Friend burnt the Prom for me but I has
a problem and doesn't get the Keyboard Input. I have tried several times
to Burn a new Prom with my D/I Sys-19 but they don't behave as they
should. I have a SOL20 System/Bus Probe Card that single steps from the
get go and I can step through the Code and see how it behaves in
relation to the .lst listing. I have been using my Canon Book 10 running
"TERM" to talk to the N*. It talks OK to the Sys-19 as well as other
machines. I lost both of my Televideo 920/25's. I had three ADM LSI's in
the Shed/Barn but the Field mice made their nests in two. The one that
was untouched I brought in the Other day and It lights up the
Mini-Tracker showing that the ADM is setup as DTE. But I get no response
from the Keyboard. Tried looping back 2-3 but no
display. Don't see any
Raster but the tube POPs up a spot when turned off. I am
going to try to
pull the Mother board out of the Other Micey ADM. Maybe I can swap the
M/B's and see if that CRT is working. Same for the One still in the Barn.
What would my chances be of soaking it and getting all the CRAP off it
and having it WORK????? probably ZILCH.
The third one is still in the Barn but Maybe it can be cleaned up. These
terminals haven't been run since 1992.
I also have a IBM 3101 a but so far all I found was the Base and CRT.
The Keyboard must be in the Barn.
Has anyone a spare Terminal. I'm thinking that maybe the Monitor code
will work when attached to a REAL Terminal
I bought about 5 2708's and If I can find someone who might load the New
Code for me I could send them a 2708 and E-Mail the .HEX file.
Bob in Wisconsin